UC3875DWP - Texas Instruments

Manufacturer Part Number

UC3875DWP

Manufacturer

Texas Instruments

Introduction

UC3875DWP is a power management integrated circuit designed for AC DC converters and offline switching applications.

Product Features and Performance

Full-bridge topology

Frequency Control and Soft Start functionalities

Synchronous rectification control capability for improved efficiency

Programmable output turn-on delay for soft start

High frequency operation at 1MHz allows for smaller external components

Pin-to-pin compatible with UC3875 family

Product Advantages

Enables high-efficiency power conversion

Flexible design for multiple applications

Capable of driving a variety of MOSFET or IGBT switches

Built-in current limiting feature enhances safety

Operates over a wide supply voltage range (9.5V ~ 20V)

Key Technical Parameters

Output Isolation: Non-Isolated

Voltage - Start Up: 10.75V

Voltage - Supply (Vcc/Vdd): 9.5V ~ 20V

Duty Cycle: 100%

Frequency - Switching: 1MHz

Fault Protection: Current Limiting

Operating Temperature: 0°C ~ 70°C (TA)

Package / Case: 28-SOIC

Quality and Safety Features

Overcurrent limiting safeguard

Designed for controlled start-up and operation within specification

Recognized by quality standards in semiconductor industry

Compatibility

Compatible with various MOSFETs and IGBTs for full-bridge configurations

Pin-compatible with other UC3875 family devices

Application Areas

Switching power supplies

Power inverters

DC-DC converters

Industrial power systems

Motor control

Product Lifecycle

Last Time Buy status indicates nearing discontinuation

Replacement or future upgrade options may be limited

Several Key Reasons to Choose This Product

High switching frequency reduces size and cost of external components

Programmable soft-start limits inrush current and stress on power components

Integrated features reduce additional component needs

Broad operating temperature range suits various environments

Industry-proven reliability for critical power management applications

High integration offers design simplicity and reduced time-to-market